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227286 (2005 SO178)
Classification: Main-belt Asteroid          SPK-ID: 2227286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809111311654718 5.5059e-08  
a 2.396544322775475 1.4235e-08 au
q 1.962982778453974 1.3828e-07 au
i 4.807261794602276 4.3132e-06 deg
node 320.3820066246015 7.1429e-05 deg
peri 113.8226447132602 7.7286e-05 deg
M 348.8067477909065 2.1865e-05 deg
tp 2459242.633779077410
(2021-Jan-28.13377908)
8.2209e-05 TDB
period 1355.116474150814
3.71
1.2073e-05
3.305e-08
d
yr
n .2656598210316899 2.3669e-09 deg/d
Q 2.830105867096976 1.681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:25  

Additional Information
 Earth MOID = .983414 au 
 Jupiter MOID = 2.44202 au 
 T_jup = 3.501 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO437077  

227286 (2005 SO178)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 SO178 = 2001 QD88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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